24th floor. According to Aiqi's inquiry, Linjiang Hotel is planned to have 24 floors, which looks like mountains and rivers. The 7th to13rd floors of the hotel are cantilever beam structures. The cantilever height of the whole building is more than 40 meters from the ground, and the cantilever length is more than 10 meter, and only supporting the formwork will exceed 8 meters. How to build scaffolding from the ground has become a difficult problem.